Because glutathione levels decline as you age, and glycine can help slow the glutathione slide, it's a good idea to keep your levels high by eating protein rich foods, like organic poultry, grass fed PDF) Changes in hepatic glutathione metabolism in diabetes Targeting Aldose Reductase for the Treatment of Diabetes Complications and Inflammatory Diseases: New Insights and Future Directions Journal of Medicinal Chemistry Glucosinolate Sinigrin Improves Insulin Resistance to Suppress Gl Is glutathione safe? Small diet and exercise changes can cut diabetes risk by more than half